42179426959 has 2 divisors, whose sum is σ = 42179426960. Its totient is φ = 42179426958.

The previous prime is 42179426957. The next prime is 42179426969. The reversal of 42179426959 is 95962497124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42179426959 - 2¹ = 42179426957 is a prime.

Together with 42179426957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42179426957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21089713479 + 21089713480.

It is an arithmetic number, because the mean of its divisors is an integer number (21089713480).

Almost surely, 2^42179426959 is an apocalyptic number.

42179426959 is a deficient number, since it is larger than the sum of its proper divisors (1).

42179426959 is an equidigital number, since it uses as much as digits as its factorization.

42179426959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 58.

The spelling of 42179426959 in words is "forty-two billion, one hundred seventy-nine million, four hundred twenty-six thousand, nine hundred fifty-nine".